Engineer Time!

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Across
  1. 6. They study/manipulate DNA
  2. 7. They insulate houses
  3. 8. They make paper machines
  4. 13. They design animal habitats
  5. 14. They make sure the lights work
  6. 18. They design X-rays
  7. 19. They study human movement
  8. 21. They design power plants
  9. 22. They make sure buildings won't fall
  10. 23. They oversee water quality (4 words, caps. the first letter of each word)
  11. 24. They design oil harvistors
  12. 25. They advance medical benefits
  13. 26. They build tunnels and bridges
Down
  1. 1. They allow air travel (4 words, caps. the first letter of each word)
  2. 2. They develop cars
  3. 3. They check the quality of items
  4. 4. They make sure utilities are available
  5. 5. They design phones
  6. 9. They make food processors
  7. 10. They make tools for doctors
  8. 11. They make animal medicine
  9. 12. They design highways
  10. 15. They make jets
  11. 16. They design electrical appliances
  12. 17. They test the stress point of objects
  13. 20. They make railroads